Its working mode is the same as that of CWDM module, the difference is that CCWDM adopts free space technology, its package size is greatly reduced compared with CWDM module, and its insertion loss is lower and the consistency is better.
| Parameter | Unit | CCWDM Module | |||
| Number of channels | CH | 4 | 8 | 16 | 18 |
| Working wavelength | nm | 1260~1620 | |||
| Transmission bandwidth | nm | ±6.5、±7.0、±7.5 | |||
| Insertion loss | dB | ≤1.4 | ≤1.7 | ≤2.0 | ≤2.5 |
| Adjacent channel isolation | dB | ≥30 | |||
| Non-adjacent channel isolation | dB | ≥45 | |||
| Return loss | dB | ≥45 | |||
| Directionality | dB | ≥50 | |||
| Transmission ripple | dB | ≤0.5 | |||
| Package size | mm | L50xW27xH7.7、L50xW44xH7.7 | |||
| Operating temperature | ℃ | -25~+70 | |||
| Optical cable type | 0.9mm loose tube | ||||
| Connector type | LC/PC(or customized) | ||||
Mature production process
Compact design, smaller size
Free space technology
Low loss(Only half of traditional CWDM)
High channel isolation and low channel crosstalk
Can reach industrial Grade
Single fiber bidirectional transmission
Dual fiber bidirectional transmission
Mini CWDM (mini coarse wavelength division multiplexer) is a miniaturized coarse wavelength division multiplexer. The size of the ordinary coarse wavelength division multiplexer is relatively large, which is not conducive to installation in small equipment. The advantage of the mini coarse wavelength division multiplexer is its small size and small space requirement, and the parameters can also reach the ordinary coarse wavelength division multiplexing Requirements.
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